Cruel Plant, White bladderflower
Araujia sericifera
Family: Asclepiadaceae
What it is like
Araujia sericifera or white bladderflower is a perennial climbing ornamental plant often found on sandy sea shores. It has minor edible uses and has been used a a fibre for making textiles. Common names include: Moth Plant, White Bladderflower, Common Moth Vine, Cruel Vine and False Choko.
Araujia sericifera is an evergreen Climber growing to 10 m (32ft 10in) at a fast rate. See above for USDA hardiness. It is hardy to UK zone 9 and is frost tender. It is in leaf all year, in flower in September. The species is hermaphrodite (has both male and female organs) and is pollinated by Lepidoptera (Moths & Butterflies). Suitable for: light (sandy) and medium (loamy) soils. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.
Height (m): 10
Where it is found
Sandy seashores in S.W. Europe. As a garden escape in hedges, trees, stony banks, cliffs, unkempt areas and waste places.
S. America - Brazil and Peru. Naturalized in S.W. Europe
Conservation Status: This taxon has not yet been assessed.
Countries/locations it is found in
How it is used
Food
Rating: 1
Fruit - after preparation. No further details are given but the fruit is a long grooved pod 12.5 x 7.5cm, tapering to a fascicle of hairs 2.5cm long.
Medicine
Rating: 0
Other
Rating: 1
A strong fibre obtained from stems is used in making textiles. As an ornamental. The plant can be used as an alternative food source for caterpillars of the Monarch butterfly.
Fibre: Used for making cloth, rope, paper etc.
Scented Plants: Plants noted for their scent
How it is grown
Prefers a good loamy soil but succeeds in any fertile soil. Requires a sunny position. Plants are not very hardy outdoors in Britain, they succeed outdoors only in the mildest areas of the country. The young growth in spring, even on mature plants, is frost-tender and so it is best to grow the plants in a position sheltered from the early morning sun. Plants produce fruit when growing on a wall at Glendurgan gardens in Cornwall. A very vigorous twining plant when growing in a suitable position. The flowers have a very strong scent that can be offensive if approached too closely. This scent attracts night-flying moths who are seeking nectar, but the flowers are designed in such a way as to trap the moths by their tongues until morning when those who have survived the ordeal can escape.
Propagating it: Seed - sow spring in a greenhouse. The seed can be sown at any time of the year if the greenhouse is heated. Germinates in 3 - 6 weeks at 20°c according to one report whilst another says that it takes 1 - 6 months at 25°c. When large enough to handle, prick the seedlings out into individual pots and grow them on in the greenhouse for their first winter. Plant them out in late spring or early summer, after the last expected frosts. Cuttings of mature wood of the current seasons growth, late autumn in a frame.
Best place to grow: Cultivated Beds; South Wall. By. West Wall. By.
Habit: Climber
Hardiness: 8-11
Growth: Fast
Soil: Light (sandy), medium
Shade: Semi-shade, no shade
Moisture: Moist
Things to keep in mind
This plant can be weedy or invasive. Noted as a noxious weed in California (bladderflower) B list (noxious weeds). Listed in the National Pest Plant Accord in New Zealand to prevent the sale, distribution, or propagation, within New Zealand, of specified pest plants.
Its other names
Local names
Moth Plant, White Bladderflower, Common Moth Vine, Cruel Vine and False Choko.